Hebrews 7:6

But Melchizedek, whose ancestry is not traced from the Levites, has collected a tenth [of the spoils] from Abraham, and blessed him who had received promises [from God].

Romans 4:13

For it was not through [obedience to] law [See 3:31] that the promise to Abraham or his descendants of inheriting [the best of] the world [was made], but through their being considered righteous because of faith [in God].

Acts 3:25

You people are descendants of these prophets and [recipients] of the Agreement God made with your forefathers when He said to Abraham [Gen. 12:3], 'And through your seed [i.e., your descendant Jesus] all the people of the earth will receive the blessings [of God].'

Romans 9:4

the Israelites. These people are God's adopted children; they have [experienced] His glorious presence; they have [received] His Agreements; they have been given the law of Moses; they possess the [Temple] service and the promises [of God].

Galatians 3:16

Now [specific] promises were made to Abraham and to his seed [i.e., descendants]. [God] did not say "seeds" [plural] as though He were referring to many persons but "seed" [singular] showing that He meant one [descendant]; [Gen. 13:15 says] "And to your seed," referring to Christ.

Hebrews 6:13-15

For when God made a promise to Abraham, since He could not make a vow by anyone greater, He vowed by Himself,

Hebrews 7:1

For this Melchizedek was king of Salem [Note: This probably refers to Jerusalem], and a priest of the Most High God. He met Abraham returning [from battle] when he defeated the kings [See Gen. 14:1ff] and blessed him.

Hebrews 7:3-4

He was without a father, or mother or a list of ancestors [i.e., there was no record of his family tree] and no [record of his] birth or death. Like the Son of God, he [appeared to] remain a priest perpetually.

Hebrews 11:13

These people [all] continued to have faith until they died, [even though] they had not obtained [all] the things God had promised, but had [only] seen them and welcomed them from a distance. And they had confessed to being strangers and aliens on earth.

Hebrews 11:17

By [having] faith, when Abraham was tested [by God], he offered Isaac [as a sacrifice]. [Even though] he had received the promises [of having many descendants], he was ready to offer his only conceived [and eventually born] son,

Treasury of Scripture Knowledge

Summary

But he whose descent is not counted from them received tithes of Abraham, and blessed him that had the promises.

Descent

General references

Bible References

Descent

Hebrews 7:3
He was without a father, or mother or a list of ancestors [i.e., there was no record of his family tree] and no [record of his] birth or death. Like the Son of God, he [appeared to] remain a priest perpetually.

Had

Hebrews 6:13
For when God made a promise to Abraham, since He could not make a vow by anyone greater, He vowed by Himself,
Hebrews 11:13
These people [all] continued to have faith until they died, [even though] they had not obtained [all] the things God had promised, but had [only] seen them and welcomed them from a distance. And they had confessed to being strangers and aliens on earth.
Acts 3:25
You people are descendants of these prophets and [recipients] of the Agreement God made with your forefathers when He said to Abraham [Gen. 12:3], 'And through your seed [i.e., your descendant Jesus] all the people of the earth will receive the blessings [of God].'
Romans 4:13
For it was not through [obedience to] law [See 3:31] that the promise to Abraham or his descendants of inheriting [the best of] the world [was made], but through their being considered righteous because of faith [in God].
Romans 9:4
the Israelites. These people are God's adopted children; they have [experienced] His glorious presence; they have [received] His Agreements; they have been given the law of Moses; they possess the [Temple] service and the promises [of God].
Galatians 3:16
Now [specific] promises were made to Abraham and to his seed [i.e., descendants]. [God] did not say "seeds" [plural] as though He were referring to many persons but "seed" [singular] showing that He meant one [descendant]; [Gen. 13:15 says] "And to your seed," referring to Christ.

General references

Mark 7:20
And He said, "Whatever proceeds out of a man's life is what [spiritually] corrupts him.